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Solving a biological puzzle: How stress causes gray hair: Scientists uncover link between the nervous system and stem cells that regenerate pigment -- ScienceDaily
Bon ben finalement l'expression populaire "Se faire des cheveux blancs" a une base scientifique.Thu Feb 6 15:38:29 2020 - permalink -- https://www.sciencedaily.com/releases/2020/01/200122135313.htm